YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | 34.85 | k | 42.90 | 44.17 | m | 58.83 | f | 56.83 | b | 53.97 | 48.97 | 35.26 | 27.87 | 17.74 | 40.50 | e | ||||||
1950 | 17.52 | 27.50 | 32.29 | 40.34 | a | 43.24 | b | 49.97 | 60.42 | 53.48 | 49.50 | 45.48 | 35.33 | 29.55 | 40.39 | |||||||||||
1951 | 27.32 | 26.75 | 32.47 | a | 42.67 | 50.35 | 54.03 | 64.23 | 60.03 | 54.33 | 43.48 | 32.40 | 27.94 | 43.00 | ||||||||||||
1952 | 25.42 | 27.17 | 29.83 | y | ----- | z | 49.60 | a | 49.31 | a | 60.40 | a | 61.03 | 53.79 | f | 42.26 | 30.07 | 28.03 | a | 41.48 | c | |||||
1953 | 29.32 | 23.54 | 30.08 | e | 37.59 | a | 38.71 | 52.10 | 65.16 | 58.39 | 51.90 | a | 39.13 | 34.97 | 22.81 | 40.31 | ||||||||||
1954 | 28.03 | 30.82 | 32.87 | 44.55 | a | 49.87 | 52.17 | 63.65 | 55.71 | 51.90 | 41.13 | 33.10 | a | 23.65 | 42.29 | |||||||||||
1955 | 25.03 | 23.43 | 31.71 | 36.93 | 46.97 | 53.50 | 59.90 | 63.90 | 53.67 | 41.65 | 31.10 | a | 32.61 | 41.70 | ||||||||||||
1956 | 32.48 | 26.17 | 32.45 | 40.07 | 47.55 | 56.50 | 62.23 | 55.00 | 54.17 | 41.23 | 25.03 | 23.84 | 41.39 | |||||||||||||
1957 | 28.58 | 34.54 | 36.10 | 40.83 | 46.03 | 56.30 | ----- | z | 54.65 | 41.93 | 32.06 | 22.87 | ----- | z | 39.39 | b | ||||||||||
1958 | ----- | z | 32.52 | e | 31.58 | 38.83 | 50.48 | 55.70 | 60.71 | 63.61 | 54.69 | a | 45.10 | ----- | z | ----- | z | 48.14 | c | |||||||
1959 | ----- | z | 32.46 | b | 37.68 | c | 46.47 | 48.48 | 59.27 | 67.10 | 59.10 | 51.80 | 44.68 | 33.73 | 30.32 | 46.46 | a | |||||||||
1960 | 25.74 | 31.45 | 39.45 | 45.23 | 49.32 | 61.77 | 64.81 | 61.68 | 59.33 | 44.87 | 33.17 | 27.26 | 45.34 | |||||||||||||
1961 | 24.97 | 31.54 | 36.93 | a | 44.10 | 47.55 | 60.03 | 66.29 | 62.94 | 51.38 | a | 42.71 | 34.10 | 30.10 | 44.39 | |||||||||||
1962 | 31.45 | 36.07 | 34.65 | 48.23 | 48.26 | 58.30 | 62.55 | 64.16 | 56.13 | 46.90 | 37.03 | 29.00 | 46.06 | |||||||||||||
1963 | 26.94 | 39.82 | 34.71 | c | 41.63 | 52.26 | 56.48 | a | 63.61 | 63.39 | 58.33 | 47.65 | 36.80 | 27.74 | 45.78 | |||||||||||
1964 | 25.77 | 26.83 | ----- | z | ----- | z | 50.83 | b | 56.55 | a | 64.13 | a | 63.19 | ----- | z | ----- | z | ----- | z | 32.55 | 45.69 | e | ||||
1965 | 31.74 | 31.36 | 37.42 | 43.40 | 49.23 | ----- | z | 64.00 | 64.16 | 52.33 | 46.39 | 41.20 | 31.13 | 44.76 | a | |||||||||||
1966 | ----- | z | 29.18 | 39.00 | 44.93 | ----- | z | 58.00 | 63.77 | ----- | z | 56.10 | 44.68 | 38.53 | 32.00 | h | 46.77 | d | ||||||||
1967 | 30.97 | 29.64 | 36.94 | 35.93 | 50.71 | 54.20 | 67.45 | b | 67.33 | d | 59.66 | a | 46.57 | c | 38.03 | a | 25.90 | a | 45.28 | |||||||
1968 | ----- | z | 35.96 | a | 36.58 | 41.70 | 49.09 | h | 59.08 | d | 66.20 | a | 61.45 | b | 54.89 | b | 42.17 | a | 34.76 | a | 28.30 | a | 46.11 | b | ||
1969 | 30.48 | b | 33.09 | f | 31.87 | 39.50 | h | 48.96 | h | 53.03 | 62.84 | 62.48 | j | 52.78 | l | 34.33 | g | ----- | z | 27.96 | d | 41.24 | g | |||
1970 | 28.29 | ----- | z | 36.03 | a | 37.30 | 50.13 | a | 56.70 | 65.73 | t | 66.89 | m | 52.03 | 43.39 | 35.63 | 30.13 | 41.07 | c | |||||||
1971 | 27.27 | a | 29.68 | 36.45 | 39.40 | 47.35 | 55.77 | 64.03 | 64.84 | 54.13 | 37.84 | 31.21 | a | 24.32 | 42.69 | |||||||||||
1972 | 22.29 | 31.50 | a | 41.97 | 44.90 | a | 50.26 | 57.03 | a | 66.10 | 58.03 | a | 48.38 | a | 40.16 | 31.79 | b | 24.62 | b | 43.09 | ||||||
1973 | 25.58 | 34.25 | 34.94 | 42.57 | b | ----- | z | 58.40 | 61.84 | 59.13 | 47.83 | ----- | z | ----- | z | ----- | z | 45.57 | d | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.26 | 30.55 | 35.19 | 41.84 | 48.36 | 55.83 | 63.40 | 60.42 | 52.88 | 42.49 | 33.27 | 27.40 | 43.21 | |||||||||||||
S.D. | 3.53 | 4.13 | 3.03 | 3.30 | 3.05 | 3.16 | 2.58 | 3.97 | 4.08 | 3.87 | 4.38 | 3.61 | 2.00 | |||||||||||||
SKEW | -0.84 | 0.20 | 0.26 | -0.07 | -1.76 | -0.33 | -0.58 | -0.33 | -0.58 | -1.04 | -0.62 | -0.81 | 0.04 | |||||||||||||
MAX | 32.48 | 39.82 | 41.97 | 48.23 | 52.26 | 61.77 | 67.45 | 67.33 | 59.66 | 47.65 | 41.20 | 32.61 | 46.06 | |||||||||||||
MIN | 17.52 | 23.43 | 30.08 | 35.93 | 38.71 | 49.31 | 56.83 | 53.48 | 41.93 | 32.06 | 22.87 | 17.74 | 40.31 | |||||||||||||
YRS | 20 | 22 | 22 | 22 | 20 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 13 |